arm64: dts: qcom: msm8916-samsung-serranove: Add IMU

Add the STMicroelectronics LSM6DS3 IMU that is used in the S4 Mini VE
to the device tree.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211004201921.18526-5-stephan@gerhold.net

arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts

@@ -170,6 +170,21 @@ touchkey@20 {
 	};
 };
 
+&blsp_i2c2 {
+	status = "okay";
+
+	imu@6b {
+		compatible = "st,lsm6ds3";
+		reg = <0x6b>;
+
+		interrupt-parent = <&msmgpio>;
+		interrupts = <115 IRQ_TYPE_EDGE_RISING>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&imu_irq_default>;
+	};
+};
+
 &blsp_i2c5 {
 	status = "okay";
 
@@ -372,6 +387,14 @@ gpio_hall_sensor_default: gpio-hall-sensor-default {
 		bias-disable;
 	};
 
+	imu_irq_default: imu-irq-default {
+		pins = "gpio115";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	muic_i2c_default: muic-i2c-default {
 		pins = "gpio105", "gpio106";
 		function = "gpio";